Higher-Order Ambisonics (HOA)

The Higher-Order Ambisonics is a further development from Ambisonics, a recording format based on the soundfield microphone providing A-format or B-format signals (See A-format, B-format and Soundfield Microphone). Higher order means that the microphones involved are of an order different from 0 or 1st order microphones (see 1st Order Pattern.